MESON Chess Problem Database

Problem Display
PID: 58633 (3B1NnK/4rppQ/5k1b/2p3r1/2B2Pb1/p7/8/8 w - - 0 1)

Zuk, Henryk

Het Belgisch Schaakbord (L'Echiquier Belge), 1955

3B1NnK/4rppQ/5k1b/2p3r1/2B2Pb1/p7/8/8

#2

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sd7#
    • 1...Bd1
      • 2.Sd7#
    • 1...Be2
      • 2.Sd7#
    • 1...Bf3
      • 2.Sd7#
    • 1...Bh5
      • 2.Sd7#
    • 1...Bd7
      • 2.Sxd7#
    • 1...g6
      • 2.Qxf7#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Sh7#
      • 1...Rf5
        • 2.Qb6#
      • 1...Bf5
        • 2.Qa1#
      • 1...Rd5!
    • 1.Qd3?
      • threat
        • 2.Sh7#
      • 1...Rf5
        • 2.Qd6#
      • 1...Bf5
        • 2.Qc3#
      • 1...Rd5!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Sh7#
      • 1...Rf5
        • 2.Qc6#
      • 1...Bf5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(d);S_CUTB(b)::S(E)
    • B(b);N_GUARD::S(E)
    • B(b);N_GUARD::S(E),XB(b)
    • P(i);OGATE::QAR1(C),XP(h)
  • Tries
    • Try
      • Q(C);
      • Threat
        • S(E)
      • Vars
        • R(d);SBLOCK,S_CUTB(b)::QAR(C)
        • B(b);SBLOCK,S_CUTR(d)::QAB(C)
      • Refutation
        • R(d);
    • Try
      • Q(C);
      • Threat
        • S(E)
      • Vars
        • R(d);SBLOCK,S_CUTB(b)::QAR2(C)
        • B(b);SBLOCK,S_CUTR(d)::QAB(C)
      • Refutation
        • R(d);
  • Actual
    • Q(C);
    • Threat
      • S(E)
    • Vars
      • R(d);SBLOCK,S_CUTB(b)::QAR(C)
      • B(b);S_CUTR(d)::QAB1(C)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).